ouuie Seven ne stery Exercises-Module Seven Subnit Test for Gerding eBook O (Exe
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ouuie Seven ne stery Exercises-Module Seven Subnit Test for Gerding eBook O (Exercise 9.57) O The unemployment rate for 18 to 34 year olds was reported to be 10.8% The Cincinnati Enquirer, November 6, 2012). Assume that this eport was based on a arden sample of 400 18 to 34 year olds a. A political campaign manager wants to know if the sample results can be used to conclude that the unemployment rate for individualis 18 to 34 years old is significanty higher thas the conclusion that the unemployment rate is higher for 18 to 34 year olds can be supported 0 : unemployment rate for all adults. According to the Bureau of Labor Statistics the unemployment rate for all eats M7% Ho: p -Select your answer ???: pc-select your answer,- : Ob. Use the sample data collected for the 18 to 34 year olds to compute the p-value for the hypothesis test in part (a) (to 4 decimais) Using a-.05, what is your conclusion? Select your answer c. Explain to the campaign manager what can The input in the box below will not be graded, but may be reviewed and considered by your instructor. be said about the observed level of signlficance for the hypothesis testing results using the p-valueExplanation / Answer
a) H0: p=7.9%= 0.079
HA: p> 0.079
b) Under null hypothesis test statistic is
Z= P-p/sqrt(PQ/n)
Z= 0.108-0.079/sqrt(0.108*0.892/400)
Z= 0.029/0.0155
Z= 1.871
The P-Value is 0.030673.
The P value =0.030673 is SIGNIFICANT. We can reject null hypothesis and may conculde that the unemployment rate is higher for 18-34 year olds .
c) There is sufficient eveidence to support that the unemployment rate is higher for 1834 year olds at 0.05 level of significance.
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